Re: [BISECTED] v4.15-rc: Boot regression on x86_64/AMD

2018-01-10 Thread Christian König
Am 09.01.2018 um 19:38 schrieb Bjorn Helgaas: I don't like to add new parameters because I think it's an unreasonable burden on users and it makes it hard for distros, but I understand the desire to use this functionality. What would you think of adding a "pci=big_root_window" parameter that log

Re: [BISECTED] v4.15-rc: Boot regression on x86_64/AMD

2018-01-09 Thread Linus Torvalds
On Tue, Jan 9, 2018 at 11:31 AM, Christian König wrote: >> >> For example, was there a reason for that random 756GB address? Is the >> limit of the particular AMD 64-bit bar perhaps at the 1TB mark (and >> that "res->end" value is because "close to it, but not at the top")? > > That is actually a

Re: [BISECTED] v4.15-rc: Boot regression on x86_64/AMD

2018-01-09 Thread Christian König
Am 09.01.2018 um 20:18 schrieb Linus Torvalds: On Tue, Jan 9, 2018 at 2:37 AM, Christian König wrote: I tested a bit with Aaro and came up with the attached patch, it adds a 16GB guard between the end of memory and the new window for the PCIe root hub. But I agree with you that this is just a h

Re: [BISECTED] v4.15-rc: Boot regression on x86_64/AMD

2018-01-09 Thread Linus Torvalds
On Tue, Jan 9, 2018 at 2:37 AM, Christian König wrote: > > I tested a bit with Aaro and came up with the attached patch, it adds a 16GB > guard between the end of memory and the new window for the PCIe root hub. > But I agree with you that this is just a hack and not a real solution. Guys, that l

Re: [BISECTED] v4.15-rc: Boot regression on x86_64/AMD

2018-01-09 Thread Bjorn Helgaas
[+cc Alex, Dave because this affects the AMDGPU large BAR support] On Tue, Jan 09, 2018 at 11:37:55AM +0100, Christian König wrote: > Am 09.01.2018 um 00:23 schrieb Bjorn Helgaas: > >[+cc Boris, Juergen, linux-pci] > > > >On Fri, Jan 5, 2018 at 6:00 PM, Linus Torvalds > > wrote: > >>On Fri, Jan 5,

Re: [BISECTED] v4.15-rc: Boot regression on x86_64/AMD

2018-01-09 Thread Christian König
Am 09.01.2018 um 00:23 schrieb Bjorn Helgaas: [+cc Boris, Juergen, linux-pci] On Fri, Jan 5, 2018 at 6:00 PM, Linus Torvalds wrote: On Fri, Jan 5, 2018 at 2:04 PM, Aaro Koskinen wrote: After v4.14, I've been unable to boot my AMD compilation box with the v4.15-rc mainline Linux. It just ends

Re: [BISECTED] v4.15-rc: Boot regression on x86_64/AMD

2018-01-08 Thread Bjorn Helgaas
[+cc Boris, Juergen, linux-pci] On Fri, Jan 5, 2018 at 6:00 PM, Linus Torvalds wrote: > On Fri, Jan 5, 2018 at 2:04 PM, Aaro Koskinen wrote: >> >> After v4.14, I've been unable to boot my AMD compilation box with the >> v4.15-rc mainline Linux. It just ends up in a silent reboot loop. >> >> I bi

Re: [BISECTED] v4.15-rc: Boot regression on x86_64/AMD

2018-01-06 Thread Aaro Koskinen
Hi, On Sat, Jan 06, 2018 at 05:47:10PM +0100, Christian König wrote: > Am 06.01.2018 um 13:02 schrieb Aaro Koskinen: > > On Sat, Jan 06, 2018 at 04:10:38AM +0200, Aaro Koskinen wrote: > > > On Fri, Jan 05, 2018 at 04:00:25PM -0800, Linus Torvalds wrote: > > > > On Fri, Jan 5, 2018 at 2:04 PM, Aaro

Re: [BISECTED] v4.15-rc: Boot regression on x86_64/AMD

2018-01-06 Thread Christian König
Am 06.01.2018 um 13:02 schrieb Aaro Koskinen: Hi, On Sat, Jan 06, 2018 at 04:10:38AM +0200, Aaro Koskinen wrote: On Fri, Jan 05, 2018 at 04:00:25PM -0800, Linus Torvalds wrote: On Fri, Jan 5, 2018 at 2:04 PM, Aaro Koskinen wrote: After v4.14, I've been unable to boot my AMD compilation box w

Re: [BISECTED] v4.15-rc: Boot regression on x86_64/AMD

2018-01-06 Thread Aaro Koskinen
Hi, On Sat, Jan 06, 2018 at 04:10:38AM +0200, Aaro Koskinen wrote: > On Fri, Jan 05, 2018 at 04:00:25PM -0800, Linus Torvalds wrote: > > On Fri, Jan 5, 2018 at 2:04 PM, Aaro Koskinen wrote: > > > After v4.14, I've been unable to boot my AMD compilation box with the > > > v4.15-rc mainline Linux.

Re: [BISECTED] v4.15-rc: Boot regression on x86_64/AMD

2018-01-05 Thread Aaro Koskinen
Hi, On Fri, Jan 05, 2018 at 04:00:25PM -0800, Linus Torvalds wrote: > On Fri, Jan 5, 2018 at 2:04 PM, Aaro Koskinen wrote: > > After v4.14, I've been unable to boot my AMD compilation box with the > > v4.15-rc mainline Linux. It just ends up in a silent reboot loop. > > > > I bisected this to: >

Re: [BISECTED] v4.15-rc: Boot regression on x86_64/AMD

2018-01-05 Thread Linus Torvalds
On Fri, Jan 5, 2018 at 2:04 PM, Aaro Koskinen wrote: > > After v4.14, I've been unable to boot my AMD compilation box with the > v4.15-rc mainline Linux. It just ends up in a silent reboot loop. > > I bisected this to: > > commit fa564ad9636651fd11ec2c79c48dee844066f73a > Author: Christian König

[BISECTED] v4.15-rc: Boot regression on x86_64/AMD

2018-01-05 Thread Aaro Koskinen
Hi, After v4.14, I've been unable to boot my AMD compilation box with the v4.15-rc mainline Linux. It just ends up in a silent reboot loop. I bisected this to: commit fa564ad9636651fd11ec2c79c48dee844066f73a Author: Christian König Date: Tue Oct 24 14:40:29 2017 -0500 x86/PCI: Enable a 6